1921209030

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{997}}^1$

素因数の和:1093

約数の個数: 192

約数和(自身を含む): 5675761728

約数和(自身を除く): 3754552698

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 61, 65, 78, 81, 90, 117, 122, 130, 135, 162, 183, 195, 234, 243, 270, 305, 351, 366, 390, 405, 486, 549, 585, 610, 702, 793, 810, 915, 997, 1053, 1098, 1170, 1215, 1586, 1647, 1755, 1830, 1994, 2106, 2379, 2430, 2745, 2991, 3159, 3294, 3510, 3965, 4758, 4941, 4985, 5265, 5490, 5982, 6318, 7137, 7930, 8235, 8973, 9882, 9970, 10530, 11895, 12961, 14274, 14823, 14955, 15795, 16470, 17946, 21411, 23790, 24705, 25922, 26919, 29646, 29910, 31590, 35685, 38883, 42822, 44865, 49410, 53838, 60817, 64233, 64805, 71370, 74115, 77766, 80757, 89730, 107055, 116649, 121634, 128466, 129610, 134595, 148230, 161514, 182451, 192699, 194415, 214110, 233298, 242271, 269190, 304085, 321165, 349947, 364902, 385398, 388830, 403785, 484542, 547353, 583245, 608170, 642330, 699894, 790621, 807570, 912255, 963495, 1049841, 1094706, 1166490, 1211355, 1581242, 1642059, 1749735, 1824510, 1926990, 2099682, 2371863, 2422710, 2736765, 3149523, 3284118, 3499470, 3953105, 4743726, 4926177, 5249205, 5473530, 6299046, 7115589, 7906210, 8210295, 9852354, 10498410, 11859315, 14231178, 14778531, 15747615, 16420590, 21346767, 23718630, 24630885, 29557062, 31495230, 35577945, 42693534, 49261770, 64040301, 71155890, 73892655, 106733835, 128080602, 147785310, 192120903, 213467670, 320201505, 384241806, 640403010, 960604515, 1921209030]

約数ペア:

[(1, 1921209030), (2, 960604515), (3, 640403010), (5, 384241806), (6, 320201505), (9, 213467670), (10, 192120903), (13, 147785310), (15, 128080602), (18, 106733835), (26, 73892655), (27, 71155890), (30, 64040301), (39, 49261770), (45, 42693534), (54, 35577945), (61, 31495230), (65, 29557062), (78, 24630885), (81, 23718630), (90, 21346767), (117, 16420590), (122, 15747615), (130, 14778531), (135, 14231178), (162, 11859315), (183, 10498410), (195, 9852354), (234, 8210295), (243, 7906210), (270, 7115589), (305, 6299046), (351, 5473530), (366, 5249205), (390, 4926177), (405, 4743726), (486, 3953105), (549, 3499470), (585, 3284118), (610, 3149523), (702, 2736765), (793, 2422710), (810, 2371863), (915, 2099682), (997, 1926990), (1053, 1824510), (1098, 1749735), (1170, 1642059), (1215, 1581242), (1586, 1211355), (1647, 1166490), (1755, 1094706), (1830, 1049841), (1994, 963495), (2106, 912255), (2379, 807570), (2430, 790621), (2745, 699894), (2991, 642330), (3159, 608170), (3294, 583245), (3510, 547353), (3965, 484542), (4758, 403785), (4941, 388830), (4985, 385398), (5265, 364902), (5490, 349947), (5982, 321165), (6318, 304085), (7137, 269190), (7930, 242271), (8235, 233298), (8973, 214110), (9882, 194415), (9970, 192699), (10530, 182451), (11895, 161514), (12961, 148230), (14274, 134595), (14823, 129610), (14955, 128466), (15795, 121634), (16470, 116649), (17946, 107055), (21411, 89730), (23790, 80757), (24705, 77766), (25922, 74115), (26919, 71370), (29646, 64805), (29910, 64233), (31590, 60817), (35685, 53838), (38883, 49410), (42822, 44865)]